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Grande Riviere Weather in August
Grande Riviere in August averages 29°C (84°F) during the day and 26°C (79°F) at night. August is part of the rainy season, so frequent rainfall is typical.
Rainfall in Grande Riviere in August
Grande Riviere is in the rainy season in August, with rain on around 22 days and an average of 187 mm (7.4 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Grande Riviere in August
Expect highs of 29°C (84°F) in Grande Riviere in August, with nights dropping to around 26°C (79°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Grande Riviere in August
The city usually sees around 215 hours of sunlight, indicating many sunny days despite it being the rainy season.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April and May typically offer the best weather for Grande Riviere.
Grande Riviere Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
75%
Precipitation
187 mm (7.4 in)
Rainy days
22 days
Humidity
84% *
Sunshine
215 hours *
Percentage Sunshine
*
* Data from: Trinidad, Trinidad & Tobago (40 KM, 25 Miles).
Grande Riviere Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grande Riviere - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grande Riviere typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in August
Historical weather records for Grande Riviere in August
Browse day-by-day weather records for Grande Riviere spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grande Riviere historical weather extremes in August
According to our 22 years of weather records for Grande Riviere, the following extremes were recorded between 2004 and 2026.
- Grande Riviere recorded its highest August temperature of 34°C (93°F) on August 30, 2012.
- The coldest August day was on August 7, 2004, with a maximum of 26°C (79°F).
- Nighttime temperatures dropped to 22°C (72°F) on August 2, 2015, marking the coldest August night on record.
Best Places in Trinidad & Tobago in August
Find out more about the weather in Trinidad & Tobago and which places have the best travel conditions in this month. See all of Trinidad & Tobago in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grande Riviere in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Grande Riviere in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Grande Riviere 3-Day Forecast
More climate data for Grande Riviere
Temperature Rainfall Sunshine Humidity
See the full Grande Riviere climate overview or explore weather in Trinidad & Tobago.
Popular in August
Where to go in August - average daytime high across popular destinations.
Piarco
30°C (86°F) Castara29°C (84°F) Crown Point29°C (84°F) San Juan30°C (86°F) Buccoo29°C (84°F) Scarborough29°C (84°F) Bon Accord Village29°C (84°F) Port-of-Spain30°C (86°F) Bucket list
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